incorporates and implements mobile build service functionality.

src/app/services/mobile-build.service.ts

@@ -80,4 +80,11 @@ export class MobileBuildService {
       {},
     );
   }
+
+  downloadArtifact(artifactId: number): Observable<Blob> {
+    return this.http.get(
+      `${this.baseUrl}/artifacts/${artifactId}/download`,
+      { responseType: 'blob' },
+    );
+  }
 }